How To Update Galaxy S III I9300 To Unofficial Android 4.1 Jelly Bean

When Android 4.1 Jelly Bean was introduced recently, every user wanted this update to his device and just couldn’t wait to experience it. Jelly Bean has loads of new exciting features like better and faster performance, refined Google Search functionality, etc. and you can enjoy all these features on your own device so why waiting just follow this guide and have fun all the way but keep one thing in mind this is not a official update so you may face some issues after installing it on your device.

Next go to –> Wipe Data –> Factory Reset and wipe operation will be performed by selecting the Wipe Cache Partition.

Next, go back to Main Menu –> Advance –> Wipe Dalvik.

Go back to the Main Menu –> Install ZIP From SD Card –> Choose ZIP From SD Card and after that look out for Android-4.1-JellyBean-GNex-OTA-Port.zip file and select it.

Start the installation by selecting YES and it will hardly take 3-5 min. for this process and once the operation is done go back to the main menu –> Reboot System Now to finish the installation process and you are done.